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https://issues.apache.org/jira/browse/PIG-2778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13842328#comment-13842328
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Aniket Mokashi commented on PIG-2778:
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[~rohini], you are right about this. I have noticed this earlier. Wouldn't this
be fixed by changing string representation OP_MATCH to
https://github.com/apache/pig/blob/branch-0.12/src/org/apache/pig/Expression.java#l48?
> Add 'matches' operator to predicate pushdown
> --------------------------------------------
>
> Key: PIG-2778
> URL: https://issues.apache.org/jira/browse/PIG-2778
> Project: Pig
> Issue Type: Bug
> Reporter: Dmitriy V. Ryaboy
> Assignee: Cheolsoo Park
> Fix For: 0.12.0
>
> Attachments: PIG-2778.patch, test_e2e.log, test_unit.log
>
>
> Currently the regex match operation does not get pushed down to LoadMetadata
> (and Expression does not have an enum value for it); it would be quite useful
> to enable this for some optimizations.
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